<s>
NFL	B-Application
'	I-Application
97	I-Application
is	O
a	O
follow-up	O
video	O
game	O
to	O
Sega	O
's	O
Joe	O
Montana	O
series	O
on	O
the	O
Sega	B-Operating_System
Genesis	I-Operating_System
.	O
</s>
<s>
NFL	O
97	O
was	O
released	O
exclusively	O
for	O
the	O
Sega	B-Device
Saturn	I-Device
.	O
</s>
